A Boxer Punches a Sheet of Paper in Midair from Rest

question 41

Multiple Choice

A boxer punches a sheet of paper in midair from rest to a speed of 40 m/s in 0.05 s.If the mass of the paper is 0.01 kg,the force of the punch on the paper is

• A)0.08 N.
• B)0.8 N.
• C)8.0 N.
• D)80 N.

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Definitions:

Price Level

The average of current prices across the entire spectrum of goods and services produced in the economy, often measured by consumer price indices.

Net Increase

The amount by which something grows or goes up, calculated by taking total gains and subtracting any losses.

Inventories

The stock of goods or materials that a company holds for the ultimate goal of resale or production.

Investment

The purchase of new plants, new equipment, new buildings, and new residences, plus net additions to inventories.